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Replacement and OEM Parts for 2003 Pontiac Grand Prix Muffler

2003 Pontiac Grand Prix Muffler

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2003 Pontiac Grand Prix
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Exhaust Manifolds, Pipes & Mufflers
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  • Walker Quiet Flow Passenger Side Stainless Steel Oval Aluminized Exhaust Muffler for 2003 Pontiac Grand Prix - 21502

    Walker® Quiet Flow Passenger Side Stainless Steel Oval Aluminized Exhaust Muffler for 2003 Pontiac Grand Prix

    PartNumber: 21502
    Product Specifications
    • Notes: Premium - Limited Lifetime Warranty; Dual Exhaust; If welded Assy, replace all Reqd parts.
    • Body Height: 7.000
    • Body Length: 14.000
    • Body Material: Stainless Steel
    • Body Width: 9.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Outside Diameter: 2.000
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 2.625
    • Internet Product Code (IPC): 10FF5358D43
    • Item has MSDS (SDS): N
    • Max Year Covered: 2008
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21502
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2003
    • Most Popular Make / Model: Pontiac Grand Prix
    • Most Popular Year: 2004
    • Muffler Body Height: 7.0
    • Muffler Body Length: 14.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 9.0
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 2.0
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Tip - Welded Spout
    • Muffler Outlet Count: 2
    • Muffler Outlet Diameter (in): 2.0
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 28.7812
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.250
    • Outlet 2 Outside Diameter: 2.250
    • Outlet Configuration: Offset
    • Overall Length: 28.750
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 386472
    • Universal Or Specific Fit: Specific
    • UPC: 086387215022
    • Part Description: 2003 Pontiac Grand Prix Quiet Flow Passenger Side Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    Vehicle Fitment
    • 2003 Pontiac Grand Prix | All Trims | 6 Cyl 3.8L
    $105.00
  • OEM 2003 Pontiac Grand Prix Muffler & Pipe Diagram - 15144847
    View Related Parts

    OEM (Genuine) 2003 Pontiac Grand Prix Muffler & Pipe

    PartNumber: 15144847
    OEM 2003 Pontiac Grand Prix Muffler & Pipe - 15144847
    Product Specifications
    • Notes: Grand Prix; 3.8l; W/O Supercharger; W/O Dual Outlet
    • Other Names: Muffler, Muffler & Pipe
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Pontiac Grand Prix Muffler & Pipe
    More Info
    Vehicle Fitment
    • 2003 Pontiac Grand Prix | GT | 6 Cyl 3.8 L GAS
    $799.94 MSRP: $1206.81
    You Save: $406.87 (34%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for 2003 Pontiac Grand Prix - 21346

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for 2003 Pontiac Grand Prix

    PartNumber: 21346
    Product Specifications
    • Notes: Premium - Limited Lifetime Warranty; If welded Assy, replace all Reqd parts.
    • Body Height: 5.500
    • Body Length: 15.000
    • Body Material: Stainless Steel
    • Body Width: 11.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 2.000
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 3.75
    • Internet Product Code (IPC): 324E6093124
    • Item has MSDS (SDS): N
    • Max Year Covered: 2005
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21346
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1997
    • Most Popular Make / Model: Buick Century
    • Most Popular Year: 2002
    • Muffler Body Height: 5.5
    • Muffler Body Length: 15.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 11.0
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 2.25
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Outside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Tip - Welded Spout
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.25
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 27.75
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.250
    • Outlet Configuration: Offset
    • Overall Length: 27.750
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 603451
    • Universal Or Specific Fit: Specific
    • UPC: 086387213462
    • Part Description: 2003 Pontiac Grand Prix Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    Vehicle Fitment
    • 2003 Pontiac Grand Prix | All Trims | 6 Cyl 3.1L
    $108.37
  • Walker Soundfx Driver Side Aluminized Steel Oval Direct Fit Exhaust Muffler for 2003 Pontiac Grand Prix - 18981

    Walker® Soundfx Driver Side Aluminized Steel Oval Direct Fit Exhaust Muffler for 2003 Pontiac Grand Prix

    PartNumber: 18981
    Product Specifications
    • Notes: Dual Exhaust; If welded Assy, replace all Reqd parts; Optional; SoundFX for 21503
    • Body Height: 8.000
    • Body Length: 14.000
    • Body Material: Steel
    • Body Width: 10.000
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 1.875
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 2.625
    • Max Year Covered: 2008
    • Min Year Covered: 2003
    • Most Popular Make / Model: Pontiac Grand Prix
    • Most Popular Year: 2004
    • Muffler Type: Reflection
    • Outlet 1 Outside Diameter: 2.250
    • Outlet 2 Outside Diameter: 2.250
    • Outlet Configuration: Offset
    • Overall Length: 29.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Total Part VIO: 386472
    • Universal Or Specific Fit: Specific
    • UPC: 086387189811
    • Part Description: 2003 Pontiac Grand Prix Soundfx Driver Side Aluminized Steel Oval Direct Fit Exhaust Muffler
    More Info
    Vehicle Fitment
    • 2003 Pontiac Grand Prix | All Trims | 6 Cyl 3.8L
    $63.92
  • Walker Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler for 2003 Pontiac Grand Prix - 18895

    Walker® Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler for 2003 Pontiac Grand Prix

    PartNumber: 18895
    Product Specifications
    • Notes: If welded Assy, replace all Reqd parts; Optional; SoundFX for 21346
    • Body Height: 5.500
    • Body Length: 15.000
    • Body Material: Steel
    • Body Width: 11.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 2.000
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 3.75
    • Internet Product Code (IPC): D75915F0CE0
    • Item has MSDS (SDS): N
    • Max Year Covered: 2005
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 18895
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1997
    • Most Popular Make / Model: Buick Century
    • Most Popular Year: 2002
    • Muffler Body Height: 5.5
    • Muffler Body Length: 15.0
    • Muffler Body Material: Steel
    • Muffler Body Width: 11.0
    • Muffler Color / Finish: Aluminized
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 2.25
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Outside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Tip - Welded Spout
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.25
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 27.75
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.250
    • Outlet Configuration: Offset
    • Overall Length: 27.750
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 603451
    • Universal Or Specific Fit: Specific
    • UPC: 086387188951
    • Part Description: 2003 Pontiac Grand Prix Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler
    More Info
    Vehicle Fitment
    • 2003 Pontiac Grand Prix | All Trims | 6 Cyl 3.1L
    $47.28
  • Walker Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler for 2003 Pontiac Grand Prix - 18102

    Walker® Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler for 2003 Pontiac Grand Prix

    PartNumber: 18102
    Product Specifications
    • Notes: If welded Assy, replace all Reqd parts; Optional; SoundFX Universal for 21346; Modifications and/or Additional Parts Reqd.
    • Body Height: 4.250
    • Body Length: 15.000
    • Body Material: Steel
    • Body Width: 8.813
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 2.000
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 2.625
    • Max Year Covered: 2005
    • Min Year Covered: 1966
    • Most Popular Make / Model: Buick Century
    • Most Popular Year: 2002
    • Muffler Type: Combination
    • Outlet 1 Inside Diameter: 2.000
    • Outlet Configuration: Center
    • Overall Length: 21.500
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Total Part VIO: 608376
    • Universal Or Specific Fit: Universal
    • UPC: 086387181020
    • Part Description: 2003 Pontiac Grand Prix Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler
    More Info
    Vehicle Fitment
    • 2003 Pontiac Grand Prix | All Trims | 6 Cyl 3.1L
    $34.94
  • Walker Quiet Flow Driver Side Stainless Steel Oval Aluminized Exhaust Muffler for 2003 Pontiac Grand Prix - 21503

    Walker® Quiet Flow Driver Side Stainless Steel Oval Aluminized Exhaust Muffler for 2003 Pontiac Grand Prix

    PartNumber: 21503
    Product Specifications
    • Notes: Premium - Limited Lifetime Warranty; Dual Exhaust; If welded Assy, replace all Reqd parts.
    • Body Height: 7.000
    • Body Length: 14.000
    • Body Material: Stainless Steel
    • Body Width: 9.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Outside Diameter: 2.000
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 2.625
    • Internet Product Code (IPC): 750BD3BEA15
    • Item has MSDS (SDS): N
    • Max Year Covered: 2008
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21503
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2003
    • Most Popular Make / Model: Pontiac Grand Prix
    • Most Popular Year: 2004
    • Muffler Body Height: 7.0
    • Muffler Body Length: 14.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 9.0
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 2.0
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Outside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Tip - Welded Spout
    • Muffler Outlet Count: 2
    • Muffler Outlet Diameter (in): 2.0
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 28.5
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.250
    • Outlet 2 Outside Diameter: 2.250
    • Outlet Configuration: Offset
    • Overall Length: 28.500
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 386472
    • Universal Or Specific Fit: Specific
    • UPC: 086387215039
    • Part Description: 2003 Pontiac Grand Prix Quiet Flow Driver Side Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    Vehicle Fitment
    • 2003 Pontiac Grand Prix | All Trims | 6 Cyl 3.8L
    $105.00
  • OEM 2003 Pontiac Grand Prix Muffler Diagram - 10312669
    View Related Parts

    OEM (Genuine) 2003 Pontiac Grand Prix Muffler

    PartNumber: 10312669
    OEM 2003 Pontiac Grand Prix Muffler - 10312669
    Product Specifications
    • Notes: Grand Prix; 3.8l; W/O Supercharger; W/Dual Outlet; Left; 3.8 Liter, Dual Exhaust, W/O Supercharger
    • Other Names: Muffler
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Pontiac Grand Prix Muffler
    More Info
    Vehicle Fitment
    • 2003 Pontiac Grand Prix | GT | 6 Cyl 3.8 L GAS
  • OEM 2003 Pontiac Grand Prix Exhaust Muffler (W/Exhaust Pipe) Diagram - 10312670
    View Related Parts

    OEM (Genuine) 2003 Pontiac Grand Prix Exhaust Muffler (W/Exhaust Pipe)

    PartNumber: 10312670
    OEM 2003 Pontiac Grand Prix Exhaust Muffler (W/Exhaust Pipe) - 10312670
    Product Specifications
    • Notes: Grand Prix; 3.8l; W/Supercharger; Left; 3.8 Liter, Dual Exhaust, W/Supercharger
    • Other Names: Muffler
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Pontiac Grand Prix Exhaust Muffler (W/Exhaust Pipe)
    More Info
    Vehicle Fitment
    • 2003 Pontiac Grand Prix | GTP | 6 Cyl 3.8 L GAS
  • OEM 2003 Pontiac Grand Prix Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe) Diagram - 10323004
    View Related Parts

    OEM (Genuine) 2003 Pontiac Grand Prix Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)

    PartNumber: 10323004
    OEM 2003 Pontiac Grand Prix Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe) - 10323004
    Product Specifications
    • Notes: Grand Prix; 3.1l
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 112.2 x 19.1 x 8.2 inches
    • Item Weight: 33.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10437905
    • Part Description: 2003 Pontiac Grand Prix Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
    More Info
    Vehicle Fitment
    • 2003 Pontiac Grand Prix | SE | 6 Cyl 3.1 L GAS
  • OEM 2003 Pontiac Grand Prix Muffler Asm Exhaust(W/Exhaust Pipe & Tailpipe Diagram - 10312668
    View Related Parts

    OEM (Genuine) 2003 Pontiac Grand Prix Muffler Asm Exhaust(W/Exhaust Pipe & Tailpipe

    PartNumber: 10312668
    OEM 2003 Pontiac Grand Prix Muffler Asm Exhaust(W/Exhaust Pipe & Tailpipe - 10312668
    Product Specifications
    • Notes: 3.1 Liter
    • Part Description: 2003 Pontiac Grand Prix Muffler Asm Exhaust(W/Exhaust Pipe & Tailpipe
    Vehicle Fitment
    • 2003 Pontiac Grand Prix | SE | 6 Cyl 3.1 L GAS
  • Walker Soundfx Passenger Side Aluminized Steel Oval Direct Fit Exhaust Muffler for 2003 Pontiac Grand Prix - 18980

    Walker® Soundfx Passenger Side Aluminized Steel Oval Direct Fit Exhaust Muffler for 2003 Pontiac Grand Prix

    PartNumber: 18980
    Product Specifications
    • Notes: Dual Exhaust; If welded Assy, replace all Reqd parts; Optional; SoundFX for 21502
    • Inlet Connection Type: Pipe Connection
    • Inlet Diameter Designation: Inside Diameter
    • Inlet Quantity: 1
    • Item Grade: Standard Replacement Part
    • Muffler Body Height: 8"
    • Muffler Body Length: 14"
    • Muffler Body Material: Aluminized Steel
    • Muffler Body Shape: Oval
    • Muffler Body Width: 10"
    • Muffler Inlet Diameter: 1.875"
    • Muffler Inlet-Outlet Configuration: Offset - Offset
    • Muffler Outlet Diameter: 2"
    • Muffler Overall Length: 29"
    • Muffler Reversibility: No
    • Muffler Series: SoundFX™
    • Muffler Type: Reflection
    • Outlet Connection Type: Dual Tip - Welded Spout
    • Outlet Diameter Designation: Outside Diameter
    • Outlet Quantity: 1
    • Part Description: 2003 Pontiac Grand Prix Soundfx Passenger Side Aluminized Steel Oval Direct Fit Exhaust Muffler
    More Info
    Vehicle Fitment
    • 2003 Pontiac Grand Prix | All Trims | 6 Cyl 3.8L